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Recognised as Colour

#689DC8

  • #689DC8
  • Blue
  • Dark
  • Nearest: Steel blue

#689DC8 is a blue with RGB values 104, 157, 200 and HSL 207°, 47%, 60%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#689DC8#689DC8
HEX#689DC8
RGBrgb(104, 157, 200)
RGB (0–1)0.4078, 0.6157, 0.7843
RGB percentages40.8%, 61.6%, 78.4%
HSLhsl(206.9, 46.6%, 59.6%)
HSV / HSBhsv(206.9, 48%, 78.4%)
CMYK48%, 21.5%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,856,136
CSS custom property--colour: #689DC8;

Brightness & contrast

Relative luminance0.31227WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.25:1
Contrast with white2.9:1WCAG normal text: Fail
Contrast with black7.25:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#976237

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8B9DCAno red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#7E93C7no green cones; the most common form, about 1% of men; ΔE 11.4 from the original
Tritanopia#3CA7ABno blue cones; rare, and affects men and women equally; ΔE 28.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.9:1WCAG large text: Fail
Contrast with black, large text7.25:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.4Light skyblue · ΔE 17.8Light slate grey · ΔE 18.1Sky blue · ΔE 19.8Slate grey · ΔE 19.9Light steelblue · ΔE 20.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C89368
Analogous#68C8C3, #686DC8
Triadic#C8689D, #9DC868
Split complementary#C8686D, #C8C368
Tetradic#C368C8, #C89368, #6DC868

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFEFE
Lighter +30%#D8E6F1
Lighter +20%#B3CEE3
Lighter +10%#8DB5D6
Darker −10%#4485B9
Darker −20%#366A94
Darker −30%#284F6F
Darker −40%#1B3449
More saturated +25%#4EA0E2
Less saturated −25%#829AAE

Channel breakdown

R104
G157
B200
Red104 (40.8%)
Green157 (61.6%)
Blue200 (78.4%)
Hue206.88°
Saturation (HSL)46.6%
Lightness59.61%
Dominant channelBlue
Hex per channelR 68 · G 9D · B C8

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Every value on this page was computed from “689dc8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.